照相機設計中,焦平面快門(英語:focal-plane shutter)是指快門直接被放置於照相機焦平面前方的快門,即快門與圖像傳感器底片平行。

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一個焦平面快門,金屬幕簾垂直移動。
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Exatka 相機的焦平面快門
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基輔相機的縱向金屬捲簾焦平面快門

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